Kasheruka Interview Question SDE-2s
Country: India
Interview Type: Written Test
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// C++ implementation to read
- guptapiyush963 June 06, 2021// file word by word
#include <bits/stdc++.h>
using namespace std;
bool comp(const pair<int ,string> &p1, const pair<int,string> &p2){
return p1.first>p2.first;
}
// driver code
int main()
{
// filestream variable file
fstream file;
string word, t, q, filename;
map<string,int> wordFrequency;
// filename of the file
filename = "file.txt";
// opening file
file.open(filename.c_str());
// extracting words from the file
while (file >> word)
{
// displaying content
wordFrequency[word]++;
}
int n= wordFrequency.size(),i=0;
vector<pair<int,string> > v(n);
for(auto p: wordFrequency){
v[i++]={p.second,p.first};
}
sort(v.begin(),v.end(),comp);
for(auto p : v){
cout<<p.second<<" "<<p.first<<endl;
}
return 0;
}